21126012

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{563}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 51166080

約数和(自身を除く): 30040068

約数列:

[1, 2, 3, 4, 6, 12, 53, 59, 106, 118, 159, 177, 212, 236, 318, 354, 563, 636, 708, 1126, 1689, 2252, 3127, 3378, 6254, 6756, 9381, 12508, 18762, 29839, 33217, 37524, 59678, 66434, 89517, 99651, 119356, 132868, 179034, 199302, 358068, 398604, 1760501, 3521002, 5281503, 7042004, 10563006, 21126012]

約数ペア:

[(1, 21126012), (2, 10563006), (3, 7042004), (4, 5281503), (6, 3521002), (12, 1760501), (53, 398604), (59, 358068), (106, 199302), (118, 179034), (159, 132868), (177, 119356), (212, 99651), (236, 89517), (318, 66434), (354, 59678), (563, 37524), (636, 33217), (708, 29839), (1126, 18762), (1689, 12508), (2252, 9381), (3127, 6756), (3378, 6254)]